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Communications 872
communications 730
Digital cellular telecommunications system 637
Global System for Mobile communications (GSM) 610
ERIC Archive 585
ARRL 458
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AMSAT 432
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AM 430
FM 430
RSGB 429
WIA 425
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ARISS 388
NASA 364
Amateur Radio 359
ISS 352
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BPL 334
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Ham Radio 297
Shortwave 275
Satellite 270
Broadcast 268
W0KIE 266
SKYWARN 265
SSB 265
ATV 264
CW 264
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Internet 263
MARS 263
propogation 263
frequency 247
News 228
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morse code 221
Communications Satellites 184
federal communications commission 183
ham radio 179
shortwave 173
media 167
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Telecommunications 150
program 148
data communications 138
control 122
creative communications 122
red river college 122
winnipeg 122
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technology 120
red river radio 118
journalism 115
amateur radio 113
Distance Education 109
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transmit 108
antenna 103
Telephone Communications Systems 102
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scanner 99
HF 98
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JARL 95
LSB 95
Mhz 95
PACTOR 95
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TNC 95
USB 95
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hamfest 95
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skywarn 95
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Radio 61
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Microcomputers 51
memory 47
Futures (of Society) 46
battery 46
device 46
Program Evaluation 45
host 44
Adult Education 43
Computer Assisted Instruction 43
Information Dissemination 43
Cable Television 42
Delivery Systems 42
press 42
data set 41
LAN messengers 40
base 39
battery pack 39
marketing 39
communications software 38
digital 38
error 38
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the fourth estate 38
user 38
Audiovisual Communications 37
Television 37
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interrupt 37
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Program Development 36
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cult of the dead cow 36
data base 36
sperry 36
vtech communications 36
Developing Nations 35
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Learning Activities 35
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Program Descriptions 34
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Models 32
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univac 31
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searchonly 30
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address 29
Media Research 28
buffer 28
installation 28
internet 28
message 28
port 28
Broadcast Industry 27
Chat messengers 27
Questionnaires 27
channel 27
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input 27
Transportation 26
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